The Rainbow Bridge

{w}{u}{b}{r}{g}, {t}: Search your library for a creature and land card, reveal them, and put them into your hand. If Heimdall, Bifrost Guardian is on the battlefield under your control, untap The Rainbow Bridge.
Whenever a God enters the battlefield under your control you may tap two untapped creatures you control, if you do, target God becomes a creature if it isn't, and gains has